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Wildlife managers in northwestern Colorado have had difficulty accurately estimating numbers of subadult male elk (Cervus elaphus) by sampling winter population densities and sex ratios. We investigated emigration and survival of telemetered 2-year-old male elk in a trophy hunting area in a northwestern Colorado Game Management Unit (GMU) to evaluate management strategies. We hypothesized that skewed numbers of males resulted from high subadult mortality or dispersal of subadult males. We used telemetered elk and Kaplan-Meier staggered entry methods to estimate emigration probability of 0.56 and 0.33 in 1995 and 1996, respectively. Maximum distances moved by emigrants from their capture point averaged 87 km (median...
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Land management practices often directly alter vegetation structure and composition, but the degree to which ecological processes such as herbivory interact with management to influence biodiversity is less well understood. We hypothesized that intensive forest management and large herbivores have compounding effects on early-seral plant communities and plantation establishment (i.e., tree survival and growth), and the degree of such effects is dependent on the intensity of management practices. We established 225 m2 wild ungulate (deer and elk) exclosures nested within a manipulated gradient of management intensity (no-spray Control, Light herbicide, Moderate herbicide and Intensive herbicide treatments), replicated...
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Layered GeoPFD 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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Layered GeoPFD 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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Layered GeoPFD 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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To support the BLM's San Luis Valley-Taos Plateau Landscape Assessment. This dataset presents current and future change agent models and combined future potential for change (PFC) within big game migration corridors.The big game migration corridors extent was determined from CDOW data. Species include bighorn sheep, elk, mule deer, and pronghorn. Migration corridors were clipped to the study area boundary and merged and dissolved across species.This dataset presents current and future change agent models and combined future potential for change (PFC). Potential for change (PFC) was determined by calculating the maximum potential for change among all change agents within each 1 km reporting unit. Current and future...
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This dataset presents current and future change agent models and combined future potential for change (PFC) within big game seasonal ranges.The big game seasonal ranges extent was determined by aggregating datasets on seasonal ranges of several big game species (Elk, Mule Deer, Pronghorn, and Bighorn Sheep). Seasonal ranges include winter, crucial winter, crucial summer, and parturition areas. Data were obtained from state natural resource agencies (Colorado Parks and Wildlife) and the BLM.This dataset presents current and future change agent models and combined future potential for climate change (PFC). Potential for change (PFC) was determined by calculating the maximum potential for change among all change agents...
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To support the BLM's San Luis Valley-Taos Plateau Landscape Assessment. This dataset presents current and future change agent models and combined future potential for change (PFC) within big game migration corridors.The big game migration corridors extent was determined from CDOW data. Species include bighorn sheep, elk, mule deer, and pronghorn. Migration corridors were clipped to the study area boundary and merged and dissolved across species.This dataset presents current and future change agent models and combined future potential for change (PFC). Potential for change (PFC) was determined by calculating the maximum potential for change among all change agents within each 1 km reporting unit. Current and future...
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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Layered GeoPFD 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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The Geographic Names Information System (GNIS) is the Federal standard for geographic nomenclature. The U.S. Geological Survey developed the GNIS for the U.S. Board on Geographic Names, a Federal inter-agency body chartered by public law to maintain uniform feature name usage throughout the Government and to promulgate standard names to the public. The GNIS is the official repository of domestic geographic names data; the official vehicle for geographic names use by all departments of the Federal Government; and the source for applying geographic names to Federal electronic and printed products of all types.
Tags: Adams, Allegheny, Antarctica, Antarctica, Armstrong, All tags...


map background search result map search result map Forest management and cervid herbivory data from Western Oregon, USA, 2012 (Camera Data) USGS Topo Map Vector Data (Vector) 18520 Grenola KS (published 20240103) FileGDB BLM REA SLV 2013 Big Game Seasonal Ranges PFC 1km Poly Fire BLM REA SLV 2013 Big Game Migration Corridors PFC 1km Poly Human Development BLM REA SLV 2013 Big Game Migration Corridors PFC 1km Poly Near Term Landscape Intactness USGS US Topo 7.5-minute map for Brandy Camp, PA 2013 USGS US Topo 7.5-minute map for Glen Hazel, PA 2016 USGS US Topo 7.5-minute map for Russell City, PA 2011 USGS US Topo 7.5-minute map for Russell City, PA 2013 USGS US Topo 7.5-minute map for Buxton, KS 2010 USGS US Topo 7.5-minute map for Fall River, KS 2010 USGS US Topo 7.5-minute map for Grenola, KS 2012 USGS US Topo 7.5-minute map for Howard NW, KS 2015 USGS US Topo 7.5-minute map for Longton NW, KS 2009 USGS US Topo 7.5-minute map for New Albany, KS 2015 USGS US Topo 7.5-minute map for Oak Valley, KS 2010 Geographic Names Information System (GNIS) Federal Codes for PA (published 20240201) pipes USGS Topo Map Vector Data (Vector) 10801 Crosby PA (published 20231221) GeoPackage USGS Topo Map Vector Data (Vector) 39352 Saint Marys PA (published 20231221) GeoPackage USGS Topo Map Vector Data (Vector) 18520 Grenola KS (published 20240103) FileGDB USGS US Topo 7.5-minute map for Brandy Camp, PA 2013 USGS US Topo 7.5-minute map for Glen Hazel, PA 2016 USGS US Topo 7.5-minute map for Russell City, PA 2011 USGS US Topo 7.5-minute map for Russell City, PA 2013 USGS US Topo 7.5-minute map for Buxton, KS 2010 USGS US Topo 7.5-minute map for Fall River, KS 2010 USGS US Topo 7.5-minute map for Grenola, KS 2012 USGS US Topo 7.5-minute map for Howard NW, KS 2015 USGS US Topo 7.5-minute map for Longton NW, KS 2009 USGS US Topo 7.5-minute map for New Albany, KS 2015 USGS US Topo 7.5-minute map for Oak Valley, KS 2010 USGS Topo Map Vector Data (Vector) 10801 Crosby PA (published 20231221) GeoPackage USGS Topo Map Vector Data (Vector) 39352 Saint Marys PA (published 20231221) GeoPackage Forest management and cervid herbivory data from Western Oregon, USA, 2012 (Camera Data) BLM REA SLV 2013 Big Game Migration Corridors PFC 1km Poly Human Development BLM REA SLV 2013 Big Game Migration Corridors PFC 1km Poly Near Term Landscape Intactness BLM REA SLV 2013 Big Game Seasonal Ranges PFC 1km Poly Fire Geographic Names Information System (GNIS) Federal Codes for PA (published 20240201) pipes